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https://github.com/Swiftgram/Telegram-iOS.git
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4e8d835280
- overrode the -(void)fetchData method in PhotoCellNode.m to download the photo’s comments. This method gets called with the PhotoCellNode enters ASInterfaceStateFetchData, which is set by the rangeController.
- UIKIT COMPARISON: I left the comment bulk download (for all photos in a page load) in the PhotoFeedViewController side for UIKit because when implemented in the PhotoTableViewCell, each cell jumped around as it changed size when it came on screen.
- minor appearance updates
- updated color scheme
- fixed status bar style to darkBackgroundColor
- cleaned up layoutSpecThatFits: in PhotoCellNode
102 lines
2.6 KiB
Objective-C
102 lines
2.6 KiB
Objective-C
//
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// CommentsNode.m
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// ASDKgram
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//
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// Created by Hannah Troisi on 3/21/16.
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// Copyright © 2016 Hannah Troisi. All rights reserved.
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//
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#import "CommentsNode.h"
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#define INTER_COMMENT_SPACING 5
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#define NUM_COMMENTS_TO_SHOW 3
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@implementation CommentsNode
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{
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CommentFeedModel *_commentFeed;
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NSMutableArray <ASTextNode *> *_commentNodes;
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}
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#pragma mark - Lifecycle
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- (instancetype)init
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{
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self = [super init];
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if (self) {
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_commentNodes = [[NSMutableArray alloc] init];
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}
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return self;
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}
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- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
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{
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ASStackLayoutSpec *verticalStack = [ASStackLayoutSpec verticalStackLayoutSpec];
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verticalStack.spacing = INTER_COMMENT_SPACING;
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[verticalStack setChildren:_commentNodes];
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return verticalStack;
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}
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#pragma mark - Instance Methods
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- (void)updateWithCommentFeedModel:(CommentFeedModel *)feed
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{
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_commentFeed = feed;
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[self removeCommentLabels];
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if (_commentFeed) {
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[self createCommentLabels];
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BOOL addViewAllCommentsLabel = [feed numberOfCommentsForPhotoExceedsInteger:NUM_COMMENTS_TO_SHOW];
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NSAttributedString *commentLabelString;
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int labelsIndex = 0;
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if (addViewAllCommentsLabel) {
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commentLabelString = [_commentFeed viewAllCommentsAttributedString];
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[[_commentNodes objectAtIndex:labelsIndex] setAttributedString:commentLabelString];
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labelsIndex++;
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}
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NSUInteger numCommentsInFeed = [_commentFeed numberOfItemsInFeed];
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for (int feedIndex = 0; feedIndex < numCommentsInFeed; feedIndex++) {
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commentLabelString = [[_commentFeed objectAtIndex:feedIndex] commentAttributedString];
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[[_commentNodes objectAtIndex:labelsIndex] setAttributedString:commentLabelString];
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labelsIndex++;
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}
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[self setNeedsLayout];
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}
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}
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#pragma mark - Helper Methods
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- (void)removeCommentLabels
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{
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for (ASTextNode *commentLabel in _commentNodes) {
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[commentLabel removeFromSupernode];
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}
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[_commentNodes removeAllObjects];
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}
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- (void)createCommentLabels
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{
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BOOL addViewAllCommentsLabel = [_commentFeed numberOfCommentsForPhotoExceedsInteger:NUM_COMMENTS_TO_SHOW];
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NSUInteger numCommentsInFeed = [_commentFeed numberOfItemsInFeed];
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NSUInteger numLabelsToAdd = (addViewAllCommentsLabel) ? numCommentsInFeed + 1 : numCommentsInFeed;
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for (NSUInteger i = 0; i < numLabelsToAdd; i++) {
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ASTextNode *commentLabel = [[ASTextNode alloc] init];
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commentLabel.maximumNumberOfLines = 3;
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[_commentNodes addObject:commentLabel];
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[self addSubnode:commentLabel];
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}
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}
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@end
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